4-1. What are three categories that describe the nature of information resources? Give an example of each. How do you characterize the relationships within each category of information?

4-3. What are the characteristics of information that affect quality? What are examples of each?

4-5. What are the major disadvantages of file processing systems? What are four specific problems associated with file processing systems?

4-7. What are the steps in planning a relational data model? Are there benefits to the planning stage?

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